Introduction - If you have any usage issues, please Google them yourself
The thread pool is a multi-threaded processing form during processing task is added to the queue, and then create a thread to start these tasks automatically. The thread pool threads are background threads. Each thread uses the default stack size, the default priority of running, and in a multi-threaded apartment. If a thread is idle in managed code (such as is waiting for an event), the thread pool will insert another worker thread to all processors busy. If all thread pool threads are always kept busy, but the queue of pending work, the thread pool will create another worker thread after a period of time the number of threads will never exceed the maximum value. More than the maximum thread can be queued, but they have to wait until other threads to complete before starting